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  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon362
    Verified bathroom fan installations reviews

Verified Reviews for Bathroom Fan Installation pros in Onalaska, WI

*The Angi rating for Bathroom Fan Installation companies in Onalaska, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Bathroom Fan Installation needs.

*The HomeAdvisor rating for Bathroom Fan Installation companies in Onalaska, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Bathroom Fan Installation needs.

Last update on October 09, 2025

Find Bathroom fan installation pros in Onalaska

Avatar for Sparks Electric, LLC
Sparks Electric, LLC
4.8(
12
)

Serving Onalaska, WI and surrounding areas

In business since 2015

Free estimates

Credit card accepted

"I highly recommend Sparks Electric. They recently completed an electrical box expansion, installed two ceiling fans, and replaced two bathroom fans in my home. Blake provided an itemized quote for a fair price before starting the job. His team arrived on time, were polite, and cleaned up after themselves. They also had excellent communication throughout the project. Iâ m very pleased with their work and recommend them to anyone looking for electrical work."
Sub panel installation
Response time2 days
Response rate95%
Recommended by100%of homeowners
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Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,688
)

Serving Onalaska, WI and surrounding areas

In business since 1971

Credit card accepted

"The furnace took 4 days to get approved( not counting a Sunday) the others were quick but the water heater had to be ordered so without hot water for a week. One ceiling fan was easy but within a year their policy changed and They would not install the one I purchased and had to get a new one approved and then ordered online and took several weeks to get straightened out. Not sure who was at fault, AHS, installer or scheduling with renter. Fee is usually $75 per visit"
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+2

Recommended by65%of homeowners
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Bathroom Fan Installation questions, answered by experts

Fan power is measured by CFM, or cubic feet per minute. For every 1,000 feet of square footage in your attic, you need a minimum of 700 CFM. Steeper roofs may need larger fans or about 840 CFM.  You can figure the size of attic fan you need by multiplying the square footage of your attic floor by 0.7. (multiply by 1.2 for a steep roof and 1.15 for a dark roof). That number is the CFM required for your fan to run efficiently.

A ceiling fan can become unbalanced for several reasons. Common causes include an accumulation of dust and dirt on the blades, which adds uneven weight. Over time, hardware like screws and fasteners can loosen due to wear on the blade holders. Other potential issues are damaged or bent blades or blade arms, worn-down parts, or an incorrect initial installation.

There are many types of ceiling fans, each with specific features and advantages. Standard ceiling fans are a traditional choice suitable for most spaces and can be made from materials like plastic, wood, metal, or fiberboard. For rooms with low ceilings, low-profile fans are a better fit. Other specialized types include smart fans, which you can control with a smartphone or voice commands, and dual-motor fans that provide increased airflow in multiple directions. For energy savings, Energy-Star certified fans can be up to 60% more efficient than standard models, helping to lower your utility bill. You can also find fans with built-in lights, fans with retractable blades, and large ceiling fans designed for spacious rooms with ceilings between 10 and 25 feet high.

Attic and whole-house fans improve a home's energy efficiency and comfort. They ventilate hot air from the attic, which reduces peak cooling loads, lowers reliance on air conditioning, and decreases indoor temperatures. This improved air circulation and expedited heat exit helps lower cooling costs, balance moisture levels, and enhance overall natural airflow, contributing to the efficient operation of other home equipment.

On average, a bathroom fan lasts between five and ten years. The fan's lifespan depends on its quality, installation, and frequency of use. You can extend its life with regular cleaning and by promptly addressing any issues. Common signs that you need a new fan include mold growth, a burning smell, unusually loud noises during operation, or lingering odors in the bathroom. If your fan is no longer working as well as it once did, consider replacing it. The cost to install a new bathroom fan is typically between $240 and $550.

The Onalaska, WI homeowners’ guide to bathroom fan installations

From average costs to expert advice, get all the answers you need to get your job done.

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